Is the gravitational force acting on a particle of mass m, on the(adsbygoogle = window.adsbygoogle || []).push({});

surface of a sphere of radius 10^24 metres and with a mass of

10^52 kg given by G x10^52 m / (10^24 ) ^ 1/2 - the Newtonian value - or is the mass density high enough for general relativity to be required to get a

sensible result?

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# General relativity and newton's laws

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